11240321004 has 144 divisors (see below), whose sum is σ = 32284980000. Its totient is φ = 3266135040.

The previous prime is 11240320997. The next prime is 11240321009. The reversal of 11240321004 is 40012304211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11240321009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1707832 + ... + 1714400.

It is an arithmetic number, because the mean of its divisors is an integer number (224201250).

Almost surely, 2^11240321004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11240321004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16142490000).

11240321004 is an abundant number, since it is smaller than the sum of its proper divisors (21044658996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11240321004 is a wasteful number, since it uses less digits than its factorization.

11240321004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768 (or 6763 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11240321004 its reverse (40012304211), we get a palindrome (51252625215).

The spelling of 11240321004 in words is "eleven billion, two hundred forty million, three hundred twenty-one thousand, four".